Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Theresa Guinther-Mulders, DO

Individual provider Pediatrics Physician · NPI 1326206020

Theresa Guinther-Mulders, DO is a Pediatrics Physician in Bay City, Michigan. Licensed in Michigan. Registered with an NPI since 2008.

Licensed in
MI
In the registry since
2008
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

3884 Monitor Rd
Bay City, MI 48706-9298
Phone: (989) 671-2000
Fax: (989) 671-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 5101017610 (MI)

Record details

NPI number1326206020
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 29, 2008
Last updated in NPPESOctober 14, 2022
Certification dateOctober 14, 2022

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